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• Paging doesn't work in the Joomla Article Manager in the admin section

  - by SkippyFire

  I inherited a Joomla site that is having a problem with the article manager in the admin section. The pagination doesn't work! If I click the page number, forward, back, or page size, nothing happens! So I found out that someone had previously installed the iJoomla SEO plugin, but it never worked so they removed it. I think it is incompatible with the version I have. I setup a local environment with almost the same setup (I have 5.2.11 vs the servers 5.2.13) with Wamp Server, and I found that some of the session variables are missing! When dumped via print_r(), the $_SESSION variable is missing the "com_content", "global", and "com_plugins" arrays! So I guess that is the reason that paging doesn't work, because the "com_content" array looks like it has paging info in it. (maybe I'm wrong) So I'm running Version 1.5.13 on PHP Version 5.2.13 Anyone know why this would happen? Thanks in advance!

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• How do quickly search through a .csv file in Python

  - by Baldur

  I'm reading a 6 million entry .csv file with Python, and I want to be able to search through this file for a particular entry. Are there any tricks to search the entire file? Should you read the whole thing into a dictionary or should you perform a search every time? I tried loading it into a dictionary but that took ages so I'm currently searching through the whole file every time which seems wasteful. Could I possibly utilize that the list is alphabetically ordered? (e.g. if the search word starts with "b" I only search from the line that includes the first word beginning with "b" to the line that includes the last word beginning with "b") I'm using import csv. (a side question: it is possible to make csv go to a specific line in the file? I want to make the program start at a random line) Edit: I already have a copy of the list as an .sql file as well, how could I implement that into Python?

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• Whats wrong with this simple Layout?

  - by Sebi

  Im trying to define a LinearLayout which contains another LinearLayout which should always be desplayed in the horizontal and vertical center. An ImageView should be placed always vertically centered on the right side of the parent Layout: A B I defined it the following: <LinearLayout android:id="@+id/footer" android:orientation="horizontal" android:layout_height="50px" android:paddingTop="5px" android:layout_width="wrap_content" android:background="@drawable/footer_border" android:paddingRight="5px" android:paddingLeft="5px" android:layout_gravity="center_horizontal" <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="right" android:id="@+id/loading"> </ImageView> </LinearLayout> But unfornatuley its not working... The LinearLayout (A) and the ImageView (B) is on the left side.... But i set gravity to center and right?? Why?

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• Releasing Xmlparser and NSXMLParser objects

  - by erastusnjuki

  How can I release the variables xmlParser and parser safely in the function below? - (id)callRestService: (NSString *) methodName : (NSDictionary *) params { NSURL *url=[self getRestUrl: methodName : params]; XmlParser *xmlParser = [[XmlParser alloc] init]; NSXMLParser *parser = [[NSXMLParser alloc] initWithContentsOfURL:url]; [parser setDelegate:xmlParser]; [parser setShouldProcessNamespaces:NO]; [parser setShouldReportNamespacePrefixes:NO]; [parser setShouldResolveExternalEntities:NO]; [parser parse]; [parser setDelegate:nil]; return xmlParser.dictionaryArray; }

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• PHP calling PostgreSQL function - type issue?

  - by CitrusTree

  I have a function in PostgreSQL / plpgsql with the following signature: CREATE OR REPLACE FUNCTION user_login(TEXT, TEXT) RETURNS SETOF _get_session AS $$ ... $$ Where _get_session is a view. The function works fine when calling it from phpPgAdmin, however whan I call it from PHP I get the following error: Warning: pg_query() [function.pg-query]: Query failed: ERROR: type "session_ids" does not exist CONTEXT: compile of PL/pgSQL function "user_login" near line 2 in /home/sites/blah.com/index.php on line 69 The DECLARE section of the function contains the following variables: oldSessionId session_ids := $1; newSessionId session_ids := $2; The domain session_ids DOES exist, and other functions which use the same domain work when called from the same script. The PHP is as follows: $query = "SELECT * FROM $dbschema.user_login('$session_old'::TEXT, '$session'::TEXT)"; $result = pg_query($login, $query); I have also tried this using ::session_ids in place of ::TEXT when calling the function, however I recieve the same error. Help :o(

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• Not able to open a file in php

  - by ehsanul

  The following code works when invoking through the command line with php -f test.php, from root. It does not work though when being invoked via apache when loading the php page. The code chokes at fopen() and the resulting web page just says "can't open file". <?php $fp = fopen("/path/to/some_file.txt","a") or die("can't open file"); fwrite($fp,"some text"); fclose($fp); ?> I tried to play with the file permissions, but to no avail. I changed the user/group with chown apache:apache test.php and changed permissions with chmod 755 test.php. Here is the relevant result of ls -l /path/to/some_file.txt: -rwxr-xr-x 1 apache apache 0 Apr 12 04:16 some_file.txt

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• jCarousel, IE6 and Fixed Width

  - by Pat Long - Munkii Yebee

  We are using jCarousel on our websites to display images. Simple enough. We have fairly flexible layouts so the carousels are not always the same width. FF, IE7+, Chrome, Safari etc work perfectly well taking up the space available. However IE6 ends up sending the jCarousel script into a loop and warns that a script is stopping the page from loading correctly. To stop IE6 from failing we are having to specify a fixed width in CSS for the carousel container. Is this a problem that others have had with IE6 and jCarousel?

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• Interface for classes that have nothing in common

  - by Tomek Tarczynski

  Lets say I want to make few classes to determine behaviour of agents. The good practice would be to make some common interface for them, such interface (simplified) could look like this: interface IModel { void UpdateBehaviour(); } All , or at least most, of such model would have some parameters, but parameters from one model might have nothing in common with parameters of other model. I would like to have some common way of loading parameters. Question What is the best way to do that? Is it maybe just adding method void LoadParameters(object parameters) to the IModel? Or creating empty interface IParameters and add method void LoadParameters(IParameters parameters)? That are two ideas I came up with, but I don't like either of them.

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• ruby on rails params injection

  - by Julien P.

  Hello everyone, I have a question about ruby on rails and the process of assigning variables using the params variable passed through a form class User attr_accessible :available_to_admins, :name end Let's say that I have a field that is only available to my admins. Assuming that you are not an admin, I am going to not display the available_to_admins input in your form. After that, when I want to save your data I'll just do a: User.update_attributes(params[:user]) If you are an admin, then no problem, the params[:user] is going to contain name and available_tu_admins and if you're not then only your name. Since the available_to_admins is an attr_accessible parameter, how should I prevent non admin users from being able to inject a variable containing the available_to_admins input with their new value?

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• Reflection, invoke

  - by Alaa'

  Hi, I have a dll file, and i took an object from it and called the functions inside this dll by the object, like this way: Command testClass = (Command)assembly.CreateInstance(creatObject); testClass.Execute(); anyway, the i used reflection from some reason. so i need to use invoke function & set values for variables, then calling the basic function Execute. Before: i wrote the following: object returnValue = objectType.GetMethod("setValues").Invoke(classObject, arguments); testClass.Execute(); but it wasnt useful for me. i used the following: object returnValue = objectType.GetMethod("setValues").Invoke(classObject, arguments); object returnValue1 = objectType.GetMethod("Execute").Invoke(classObject, null); i just want to ask if this is right, to calling the execute in this way, and by the way it works! Thank you.

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• XSLT: If Node = A then set B=1 Else B=2

  - by Larry

  I am looping thru looking at the values of a Node. If Node = B, then B has one of two possible meanings. --If Node = A has been previously found in the file, then the value for A should be sent as 1. --If Node = A has NOT been found in the file, the the value for A should be sent as 2. where file is the xml source to be transformed I cannot figure out how to do this. If I was using a programming language that allowed for a variable to have its value reassigned/changed, then it is easy. But, with XSLT variables are set once.

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• What is lifetime of lambda-derived implicit functors in C++ ?

  - by Fyodor Soikin

  The question is simple: what is lifetime of that functor object that is automatically generated for me by the C++ compiler when I write a lambda-expression? I did a quick search, but couldn't find a satisfactory answer. In particular, if I pass the lambda somewhere, and it gets remembered there, and then I go out of scope, what's going to happen once my lambda is called later and tries to access my stack-allocated, but no longer alive, captured variables? Or does the compiler prevent such situation in some way? Or what?

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• Error : The Type Initializer of Deamon.Global threw an exception in c#

  - by srk

  I am using the below class file, where some variables are declared to use in the entire application. Now i used that variable [BlockLogOut] in another class file to make the value True. I just put this below line and getting error in it.. "TypeInitializationException" Global.BlockLogOut = True; The wired thing is, it was working fine for many months and i am getting this error now on the above line. Of course i was modifying some other stuffs in the application, but surely not this class file. What would have been the problem ? namespace Daemon { class Global { public static bool BlockLogOut = false; } }

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• Objective-C member variable assignment?

  - by Alex

  I have an objective-c class with member variables. I am creating getters and setters for each one. Mostly for learning purposes. My setter looks like the following: - (void) setSomething:(NSString *)input { something = input; } However, in C++ and other languages I have worked with in the past, you can reference the member variable by using the this pointer like this->something = input. In objective-c this is known as self. So I was wondering if something like that is possible in objective-c? Something like this: - (void) setSomething:(NSString *)input { [self something] = input; } But that would call the getter for something. So I'm not sure. So my question is: Is there a way I can do assignment utilizing the self pointer? If so, how? Is this good practice or is it evil? Thanks!

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• Restlet - Access elements of the request URL

  - by DutrowLLC

  I'm unsure what the proper way is to access parts of the requested URL. In this case, I want to get the requested path without the query variables. This is the only way I found to do it: String path = getRequest().getResourceRef().getHostIdentifier() + getRequest().getResourceRef().getPath(); The result would be the bold part of this url: http://stackoverflow.com/questions/ask?query=value I also found about 6 different ways to get the server name (http://stackoverflow.com) but I'm worried that some of them would fail in certain cases that I am unaware of (why would there be 6 different ways to do one thing): getRequest().getHostRef().getHostIdentifier(); getRequest().getHostRef().getIdentifier(); getRequest().getRootRef().getHostIdentifier(); getRequest().getRootRef().getIdentifier(); getRequest().getResourceRef().getHostIdentifier(); And this seems to get the complete URL with query parameters: getRequest().getResourceRef().getIdentifier(); Any further explanation would be much appreciated.

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• Java Memory Management

  - by Tara Singh

  I am designing a client-server chat application in Java. This is a secure application where the messages are exchanged using cryptographic algorithms. I have one server and it can support many clients. My problem is that when one client logs on the server it works fine, but when another user logs into the system, the server starts giving me bad padding exceptions for the encrypted text. I am not able to figure out the problem, according to my logic, when new connection request to server is made, the server creates a thread for listening to the client. Is it possible that once the instance of thread class is created, it does all the processing correctly for the first client, but not for the second client because the variables in server listener thread class already have some previous value, and thus the encrypted text is not decrypted properly? Please advise how I can make this process more robust so that the number of clients does not affect how well the server functions.

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• (iPhone) Instruments can't "Attach to Process"

  - by AlexLive

  Actually, I'm using a second generation Ipod Touch. What I'm trying to do is to debug my app on XCode and look for any memory leaks on Instruments at the same time. Is it even possible? Because the "Attach to Process" submenu lists when my app is running (or debugging in this case) but all the items inside this menu are disabled. All I can do is start the app from Instruments but later I come across some bug and I want to see the variables and properties affected. I'm also new to Instruments. Please, could someone give me any advice? Help would be greatly appreciated!

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• Use of Java constructors in persistent entities

  - by Mr Morgan

  Hello I'm new to JPA and using persistence in Java anyway and I have two questions I can't quite work out: I have generated tags as: @JoinColumn(name = "UserName", referencedColumnName = "UserName") @ManyToOne(optional = false) private User userName; @JoinColumn(name = "DatasetNo", referencedColumnName = "DatasetNo") @ManyToOne(optional = false) private Dataset datasetNo; But in one of the constructors for the class, no reference is made to columns UserName or DatasetNo whereas all other columns in the class are referenced in the constructor. Can anyone tell me why this is? Both columns UserName and DatasetNo are 'foreign keys' on the entity Visualisation which corresponds to a database table of the same name. I can't quite work out the ORM. And when using entity classes, or POJO, is it better to have class variables like: private User userName; Where an instance of a class is specified or simply the key of that class instance like: private String userName; Thanks Mr Morgan.

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• Render a partial from a task in Symfony 1.4

  - by Cryo

  I'm trying to render a partial in a Symfony task and having no luck. I found docs in 1.1 that say to just call get_partial() but apparently that's no longer readily available in 1.4. I tried loading the helper manually with sfLoader::getHelpers('Partial'); but I get "Class sfLoader not found". Any help would be greatly appreciated. For reference what I'm trying to do is generate an HTML file called 'header.html' from my global header partial used in all of my layouts for inclusion in a third-party forum I'm integrating (Simple Machines/SMF).

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• How to save big "database-like" class in python

  - by Rafal

  Hi there, I'm doing a project with reasonalby big DataBase. It's not a probper DB file, but a class with format as follows: DataBase.Nodes.Data=[[] for i in range(1,1000)] f.e. this DataBase is all together something like few thousands rows. Fisrt question - is the way I'm doing efficient, or is it better to use SQL, or any other "proper" DB, which I've never used actually. And the main question - I'd like to save my DataBase class with all record, and then re-open it with Python in another session. Is that possible, what tool should I use? cPickle - it seems to be only for strings, any other? In matlab there's very useful functionality named save workspace - it saves all Your variables to a file that You can open at another session - this would be vary useful in python!

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• How's my pygame code?

  - by Isaiah

  I'm still getting the hang of lots of things and thought I should post some code I made with pygame and get some feedback^^. I posted code here: http://urlvars.com/code/snippet/39272/my-bouncing-program http://urlvars.com/code/snippet/39273/my-bouncing-program-classes There's tome things that I implemented that I'm not using yet I just realized like a timer at the bottom of the main while loop. If my code isn't readable, I'm sorry, I'm self taught and this is the first code I've ever posted anywhere. By the way I made some variables that take the screensize and half it to find a point to spit out the squares, but when I try to use it, it makes a weird effect :/ Try switching the list i have in the newbyte() function with the halfScreen variable and see it freak out o.O thank you

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• Event Tracking

  - by DRapp

  I want to understand event cycles. I have a form with a grid and textboxes. It has a grid, bound to DataTable, and textboxes bound to same table too. I'm trying to debug something and need to know how to identify ALL events fired in the form to see what may solve an issue for me. Anyhow, unless I explicitly subclass every class on my form, and override / attach to every event to my own event handlers, how can I get / listen to all events being fired during a certain action... Such as changing a "Selected" road in a DataGridView. It obviously updates its own "CurrentRow"... I need to know what / how to maybe FORCE a re-loading of SAME CurrentRow. Reason: during a form level "Edit Mode", and I change the content in another "Textbox" control, and reject changes, I need it to simulate the current "Record" is reloaded to go back to its original values.

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• Browser for cross-site-script testing (for testing Mozilla Add-On)

  - by Anthony

  I am working on a Firefox extension that will involve ajax calls to domains that would normally fail due to the same-origin policy set by Firefox (and most modern browsers). I was wondering if there is a way to either turn off the same-origin restriction (in about:config, perhaps) or if there was a standard lite-browser that developers turn to for this. I really would like to avoid using any blackhat tools, if possible. Not because I'm against them, I just don't want to add another learning curve to the process. I can use curl in PHP to confirm that the requests work, but I want to get started on writing the js that the addon will actually use, so I need a client that will execute js. I also tried spidermonkey, but since I'm doing the ajax with jquery, it threw a fit at all of the browser-based default variables. So, short version: is there a reliable browser/client for cross site scripting that isn't primarily a hacker app? Or can I just turn off same-domain policy in Firefox?

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• Embedding Youtube Videos on user's wall with the Javascript API

  - by dragonmantank

  I'm attempting to embed a Youtube video on a user's wall using the Javascript API. I've poured over a bunch of different tutorials and came up with this: var data = { method: 'feed', link: current_video_url, // Link to the vide on our site source: current_video_src, // Link to the Youtube video, http://youtube.com/v/[hash] picture: current_picture_url, // Thumbnail from youtube title: current_video_title, // Title from our page caption: current_video_description // Text from our page } FB.ui(data); Running the Facebook Debugger shows that the current_video_url link is being properly parsed for OG tags and is available as an embedded video. I ran a debugger and all the variables are being properly set in the data variable. This worked fine for about 2 days, and then we pushed the site live. We set up a new AppID in Facebook but now all the videos are just thumbnails instead of being embedded in the user's wall. I thought maybe this is a problem with the live site but now the dev site is broken too. What's the best way to get this to work consistently?

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• How to load xib file with attached view controller ?

  - by hib

  Hello all , I am using a xib file as a back view in coverflow component . and it is seeing nicely . The code for loading a xib file is : NSArray *array = [[NSBundle mainBundle] loadNibNamed:@"TestMine" owner:nil options:nil]; backView = [array objectAtIndex:0]; Now I want to attach a view controller with this xib without changing the current code . How can I do so ? Tell me if more details need to answer the question . Thanks .

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